| rely(me, O1, H1[r, o1], O2, H2), r ∈ H1, ∃ H0, H2. H0 ⊥ H2 ∧ H1[r, o1] = H0 ∪ H2 ∧ !(me, O2, r => o1 * P)(H0) ∧ P0(H2) ⊦ ((!(me, O2, r => H1[r] * P) * P0))(H1) |
H1[r, o1] = H0 ∪ H, !(me, O2, r => o1 * P)(H0), P0(H), rely(me, O1, H1[r, o1], O2, H2), r ∈ H1, H0 ⊥ H ⊦ ((!(me, O2, r => H1[r] * P) * P0))(H1)